How long would the Wall stand?
In Game of Thrones, the Wall is a 200 m tall wall of ice that has stood for thousands of years. Real ice cannot do that. Under its own weight it would creep and slump, and a vertical ice face that …
Oct 23, 2026Crazy Ideas
-
-
Can Orbeez save the Greenland ice sheet?
Every summer, the ablation zone of the Greenland ice sheet loses meters of ice to melt. Could we slow it down by covering the surface with water-absorbing gel beads, the kind sold as toys under names …
Oct 23, 2026